For over 40 years, Leadership Directories (LDI) has provided up-to-date, accurate contact and biographical information for leadership in the U.S. With editorial offices in New York City and Washington, D.C., LDI is dedicated to providing high quality, accurate and up-to-date information on over 600,000 key leaders in government, business, legal, media and nonprofit organizations.

Every item of information in our database has been verified by expert content researchers. LDI content is available in print, in custom lists and datafeeds, or in one of many search-friendly online directories that allows subscribers to build and download their own contact lists.